JSFiddle - React, Tailwind, and code Playground

HTML

<h1 class="marquee">
    <span>This is a marquee. Text, text, text...</span></h1>

CSS

@keyframes marquee {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(-100%, 0)
    }
}

.marquee {
    display: block;
    width: 100%;
    white-space: nowrap;
    overflow: hidden }
    .marquee span {
        display: inline-block;
        padding-left: 100%;
        animation: marquee 5s infinite linear }
        .marquee span:hover {
            animation-play-state: paused }